Road structure – process – or apparatus – Process – In situ treatment of earth or roadway
Reexamination Certificate
2006-08-08
2009-02-03
Hartmann, Gary S (Department: 3671)
Road structure, process, or apparatus
Process
In situ treatment of earth or roadway
C404S084050, C404S108000, C222S071000
Reexamination Certificate
active
07484911
ABSTRACT:
A method of paving includes sensing values indicative of a material feed demand of a surface to be paved, and depositing material onto the surface. An electronic controller is configured to generate a control signal corresponding with a feed forward term associated with an expected change in the material feed demand. The method also includes controlling depositing material onto the surface responsive to the control signal. A machine such as a paving machine includes a control system in control communication with a material feed system and having an electronic controller configured to determine an expected material feed demand and responsively output material feed rate control signals to the feed apparatus to control depositing material onto the surface.
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Caterpillar Inc.
Hartmann Gary S
Liell & McNeil
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